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Merck

M2255

Methylthymol Blue sodium salt

Synonym(s):

3,3′-Bis[N,N-di(carboxymethyl)aminomethyl]thymolsulfonephthalein sodium salt, MTB, Thymolsulfonphthalein-3′,3″-bis(methyliminodiacetic acid sodium salt)

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About This Item

Linear Formula:
C37H40N2O13SNa4
CAS Number:
1945-77-3
Molecular Weight:
844.74
EC Number:
217-743-3
UNSPSC Code:
12171500
MDL number:
MFCD00148905

Key Documents

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pH

6.5-8.5, yellow to blue

SMILES string

[Na+].[Na+].[Na+].[Na+].CC(C)c1cc(c(C)c(CN(CC([O-])=O)CC([O-])=O)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c(O)c(CN(CC([O-])=O)CC([O-])=O)c4C

InChI

1S/C37H44N2O13S.4Na/c1-19(2)23-11-28(21(5)25(35(23)48)13-38(15-31(40)41)16-32(42)43)37(27-9-7-8-10-30(27)53(50,51)52-37)29-12-24(20(3)4)36(49)26(22(29)6)14-39(17-33(44)45)18-34(46)47;;;;/h7-12,19-20,48-49H,13-18H2,1-6H3,(H,40,41)(H,42,43)(H,44,45)(H,46,47);;;;/q;4*+1/p-4

InChI key

DIZZDZCUMBBRSG-UHFFFAOYSA-J

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Certificates of Analysis (COA)

Lot/Batch Number
126H0357
103H0370
089H0700
063H0308
028H0812

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